Home / 57,724.40-86,586.60-40,811.60

Finding the Fourth Proportional to 57,724.40, 86,586.60 and 40,811.60

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Solution

The fourth proportional to 57,724.40, 86,586.60 and 40,811.60 is: 61,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,724.40 : 86,586.60 = 40,811.60 : x
  2. Step 2: Convert to fraction form
    57,724.40/86,586.60 = 40,811.60/x
  3. Step 3: Cross multiply
    57,724.40x = 86,586.60 × 40,811.60
  4. Step 4: Simplify right side
    57,724.40x = 3,533,737,684.56
  5. Step 5: Solve for x
    x = 3,533,737,684.56/57,724.40
  6. Step 6: Final answer
    x = 61,217.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.